A024956 a(n) = A024955(n+3)/7.

1, 1, 8, 15, 22, 78, 190, 400, 1051, 2535, 7456, 18453, 47188, 126687, 358191, 954794, 2455349, 6649728, 18661770, 50325066, 134032193, 366103529, 1031003534, 2817678326, 7634389540, 20930031893, 59436464774, 163683320620, 447761993141

Offset

1,3

Links

Table of n, a(n) for n=1..29.

Crossrefs

Cf. A024955.

Sequence in context: A373511 A291747 A024734 * A105174 A338857 A126622

Adjacent sequences: A024953 A024954 A024955 * A024957 A024958 A024959

Keyword

nonn

Author

Clark Kimberling

Extensions

a(27) corrected by Sean A. Irvine, Jul 30 2019

Status

approved